/**
* uninstall app
*
* @param Tinebase_Model_Application $_application
* @throws Setup_Exception
*/
protected function _uninstallApplication(Tinebase_Model_Application $_application, $uninstallAll = false)
{
if ($this->_backend === null) {
throw new Setup_Exception('No setup backend available');
}
Setup_Core::getLogger()->info(__METHOD__ . '::' . __LINE__ . ' Uninstall ' . $_application);
try {
$applicationTables = Tinebase_Application::getInstance()->getApplicationTables($_application);
} catch (Zend_Db_Statement_Exception $zdse) {
Setup_Core::getLogger()->err(__METHOD__ . '::' . __LINE__ . " " . $zdse);
throw new Setup_Exception('Could not uninstall ' . $_application . ' (you might need to remove the tables by yourself): ' . $zdse->getMessage());
}
$disabledFK = FALSE;
$db = Tinebase_Core::getDb();
do {
$oldCount = count($applicationTables);
if ($_application->name == 'Tinebase') {
$installedApplications = Tinebase_Application::getInstance()->getApplications(NULL, 'id');
if (count($installedApplications) !== 1) {
throw new Setup_Exception_Dependency('Failed to uninstall application "Tinebase" because of dependencies to other installed applications.');
}
}
foreach ($applicationTables as $key => $table) {
Setup_Core::getLogger()->info(__METHOD__ . '::' . __LINE__ . " Remove table: {$table}");
try {
// drop foreign keys which point to current table first
$foreignKeys = $this->_backend->getExistingForeignKeys($table);
foreach ($foreignKeys as $foreignKey) {
Setup_Core::getLogger()->info(__METHOD__ . '::' . __LINE__ . " Drop index: " . $foreignKey['table_name'] . ' => ' . $foreignKey['constraint_name']);
$this->_backend->dropForeignKey($foreignKey['table_name'], $foreignKey['constraint_name']);
}
// drop table
$this->_backend->dropTable($table);
if ($_application->name != 'Tinebase') {
Tinebase_Application::getInstance()->removeApplicationTable($_application, $table);
}
unset($applicationTables[$key]);
} catch (Zend_Db_Statement_Exception $e) {
// we need to catch exceptions here, as we don't want to break here, as a table
// might still have some foreign keys
// this works with mysql only
$message = $e->getMessage();
Setup_Core::getLogger()->warn(__METHOD__ . '::' . __LINE__ . " Could not drop table {$table} - " . $message);
// remove app table if table not found in db
if (preg_match('/SQLSTATE\\[42S02\\]: Base table or view not found/', $message) && $_application->name != 'Tinebase') {
Tinebase_Application::getInstance()->removeApplicationTable($_application, $table);
unset($applicationTables[$key]);
} else {
Setup_Core::getLogger()->notice(__METHOD__ . '::' . __LINE__ . " Disabling foreign key checks ... ");
if ($db instanceof Zend_Db_Adapter_Pdo_Mysql) {
$db->query("SET FOREIGN_KEY_CHECKS=0");
}
$disabledFK = TRUE;
}
}
}
if ($oldCount > 0 && count($applicationTables) == $oldCount) {
throw new Setup_Exception('dead lock detected oldCount: ' . $oldCount);
}
} while (count($applicationTables) > 0);
if ($disabledFK) {
if ($db instanceof Zend_Db_Adapter_Pdo_Mysql) {
Setup_Core::getLogger()->notice(__METHOD__ . '::' . __LINE__ . " Enabling foreign key checks again... ");
$db->query("SET FOREIGN_KEY_CHECKS=1");
}
}
if ($_application->name != 'Tinebase') {
if (!$uninstallAll) {
Tinebase_Relations::getInstance()->removeApplication($_application->name);
Tinebase_Timemachine_ModificationLog::getInstance()->removeApplication($_application);
// delete containers, config options and other data for app
Tinebase_Application::getInstance()->removeApplicationData($_application);
}
// remove application from table of installed applications
Tinebase_Application::getInstance()->deleteApplication($_application);
}
Setup_Uninitialize::uninitialize($_application);
Setup_Core::getLogger()->info(__METHOD__ . '::' . __LINE__ . " Removed app: " . $_application->name);
}
